D72140 – Java Design Patterns

Reviewing Object-Oriented Principles in Java

• Describe how OO concepts apply to Java
• Describe how OO principles apply to Java
• List the goals of an OO language
• Interpret Unified Modeling Language (UML) notation and create UML diagrams
• Identify selected design patterns

Reviewing Gang of Four Patterns

• List key behavioral, creational and structural patterns
• Apply the Facade pattern
• Apply the Strategy pattern
• Apply the Observer pattern
• Apply the Composite pattern
• Review the Model-View-Controller (MVC) patterns

Implementing Patterns in Java

• Use implementation patterns designed for Java
• List forces affecting class, state, and behavioral patterns
• Describe how patterns, idioms and refactoring differ from each other

Exploring Changes in Java EE Technology

• Describe the design goals of the Java EE model
• Describe improvements in the Java EE 6 model

Implementing Integration Patterns

• Describe design patterns for the integration tier
• Review Java EE integration changes that apply design patterns
• Identify use cases for applying integration tier patterns

Implementing Patterns in Business Components

• Describe the role of an enterprise bean
• Describe design patterns for the business tier

Implementing Infrastructural Patterns in Java EE

• Describe the role of infrastructural Java EE patterns
• Describe the Service Starter pattern
• Describe the Singleton pattern
• Describe the Bean Locator pattern
• Describe the Resource Binder pattern

Implementing More Infrastructure Patterns

• Describe how Java EE interceptors work
• Describe the Dependency Injection Extender pattern
• Describe the Payload Extractor pattern
• Describe the Context Holder pattern
• Describe the Thread Tracker pattern

Exploring Anti-Patterns

• Describe the Law of Leaky Abstractions
• Define AntiPatterns
• Describe Integration Tier AntiPatterns
• Describe Business Tier AntiPatterns
• Describe Presentation Tier AntiPatterns

Selecting Patterns for Architecture

• Define the roles of architect, designer, and developer
• Describe the relationship between design patterns and architecture
• List guidelines for applying patterns to an architectural solution